Wiki Aetna 63650 and 63685

[orthobiller2017]

I am new to pain management and have been given denials for the above codes stating there are bundled into anesthesia and/or need a modifier. My previous colleagues have appealed indicating that the provider was not acting as an anesthesologist but as a pain management physician and hence should be paid separately. Any further recommendations.
Its part of a group practice consisting of anesthesiologists and pain medicine md's.
They are each billing their compon